powerpc64-darwin.macho (not powerpc64le-darwin.macho)

All Apple PowerPC are BigEndian only.
        https://github.com/upx/upx/issues/596
	modified:   p_mach.cpp
	modified:   p_mach.h
	modified:   packmast.cpp

src/packmast.cpp

@@ -220,7 +220,7 @@ Packer *PackMaster::visitAllPackers(visit_func_t func, InputFile *f, const optio
     // Mach (MacOS X PowerPC)
     D(PackDylibAMD64);
     D(PackMachPPC32);
-    D(PackMachPPC64LE);
+    D(PackMachPPC64);
     D(PackMachI386);
     D(PackMachAMD64);
     D(PackMachARMEL);